Medium
Security advisory
Cloud Foundry Routing (Gorouter), versions prior to 0.204.0, when used in a deployment with NGINX reverse proxies in front of the Gorouters, is potentially vulnerable to denial-of-service attacks in which an unauthenticated malicious attacker can send specially-crafted HTTP requests that may cause the Gorouters to be dropped from the NGINX backend pool.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-5416
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:47 UTC · Revision 1
Source evidence
Cloud Foundry Routing (Gorouter), versions prior to 0.204.0, when used in a deployment with NGINX reverse proxies in front of the Gorouters, is potentially vulnerable to denial-of-service attacks in which an unauthenticated malicious attacker can send specially-crafted HTTP requests that may cause the Gorouters to be dropped from the NGINX backend pool.
osv:CVE-2020-5416
Complete source record
{
"id": "fbf4aaf59702f0844e9b3ff219d161d0d3213a4db33174b1866e027665b1291f",
"url": "https://osv.dev/vulnerability/CVE-2020-5416",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-5416",
"summary": "Cloud Foundry Routing (Gorouter), versions prior to 0.204.0, when used in a deployment with NGINX reverse proxies in front of the Gorouters, is potentially vulnerable to denial-of-service attacks in which an unauthenticated malicious attacker can send specially-crafted HTTP requests that may cause the Gorouters to be dropped from the NGINX backend pool.",
"evidence": "osv:CVE-2020-5416",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-5416",
"aliases": [
"CVE-2020-5416"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/cloudfoundry/cf-deployment",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "c7af66608769105b6cbdcdf352defded7444a9dc"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "13.13.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"v13.11.0",
"v13.10.0",
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"v11.1.0",
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"v10.1.0",
"v10.0.0",
"v7.9.0",
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"v5.5.0",
"v5.4.0",
"v5.3.0",
"v5.1.0",
"v5.0.0",
"v4.5.0",
"v4.4.0",
"v4.3.0",
"v4.2.0",
"v4.1.0",
"v4.0.0",
"v3.6.0",
"v3.5.0",
"v3.4.0",
"v3.3.0",
"v3.2.0",
"v3.1.0",
"v3.0.0",
"v2.5.0",
"v2.4.0",
"v2.3.0",
"v2.2.0",
"v2.1.0",
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"v1.38.0",
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"v1.33.0",
"v1.32.0",
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"v1.30.0",
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"v1.24.0",
"v1.23.0",
"v1.22.0",
"v1.21.0",
"v1.20.0",
"v1.19.0",
"v1.18.0",
"v1.16.0",
"v1.17.0",
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"v1.14.0",
"v1.13.0",
"v1.12.0",
"v1.11.0",
"v1.10.0",
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"v1.8.0",
"v1.7.0",
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"v1.5.0",
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"v1.3.0",
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"v1.1.0",
"v0.37.0",
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"v0.9.1",
"v0.9.0",
"v0.8.0",
"v0.3.0",
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"v0.5.0",
"v0.2.1",
"v0.2.2",
"v0.2.0",
"v0.1.0",
"v0.0.2",
"v0.0.1",
"v0.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5416.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/cloudfoundry/routing-release",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "56f9b8630ebf785a6f7190138f61a92ab74e285d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:cloudfoundry:routing-release:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.204.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"0.203.0",
"0.202.0",
"0.201.0",
"0.200.0",
"0.199.0",
"0.196.0",
"0.195.0",
"0.194.0",
"0.192.0",
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"0.184.0",
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"0.157.0",
"0.154.0",
"0.147.0",
"0.142.0",
"0.137.0",
"0.136.0",
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"0.123.0",
"0.121.0",
"0.118.0",
"0.99.0",
"0.69.0",
"0.66.0",
"0.62.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5416.json"
}
}
],
"modified": "2026-10-24T10:30:44.391221162Z",
"provider": "osv",
"references": [
"https://www.cloudfoundry.org/blog/cve-2020-5416"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-5416",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435869,
"published_at": "2020-08-21T22:15:12.527+00:00"
}